<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 流年 <liu21st@gmail.com>
// +----------------------------------------------------------------------

// 应用公共文件

/**
 * 检测token是否存在
 * @param  $token 		 token的key值
 * @return [type]        [description]
 */
function token_exists($token) {
	if(\Cache::get($token))
	{
		return true;
	} else {
		return false;
	}
}

/**
 * 生成token
 */

function create_token() {
	//随机数
	$str = '123456789abcdefghijklmnopqlstuvwxyzABCDEFG';
	return substr(str_shuffle($str),0,15);
}
